Answer:
I say the second one, im not rlly sure tho
Explanation:
Answer:
the valence of S is -2. For FeS to be neutral the valence of Fe used must be +2
and since Iron (II) has its valency 2, FeS will be Iron (II) Sulfide.
The two ways to measure the sand in a sand castle are by counting the number of pails of sand used to build the castle and by determining the mass of the sand used in building the castle. The first method makes use of the volume of the pail to determine the amount of sand while the second method is a more quantitative way.<span />
Answer:
C
Explanation:
C because there is more in it than the rest of the idems
Answer:
glucose and oxygen
Explanation:
Glucose and oxygen are needed for cellular respiration to occur:)
